Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 1 - No. 49)
In a conversion graph, how is the relationship between the two units represented?
By the area under the curve.
By the gradient of the line.
By the intercepts on the axes.
By the shape of the graph.
คำอธิบาย
The relationship is shown by the gradient, which gives the conversion ratio.